clean up citation
clean up citation

it's not necessary to retain the commented-out version of this code; the links alone should be sufficient

limzykenneth/p5.js,processing/p5.js,dhowe/p5.js,processing/p5.js,joecridge/p5.js,dhowe/p5.js,joecridge/p5.js,bomoko/p5.js,mlarghydracept/p5.js,limzykenneth/p5.js,bomoko/p5.js,mlarghydracept/p5.js